C# Basics — By Example (Intro)

Beginner-friendly, runnable C# snippets. Each file has:

• Clear comments explaining syntax and concepts
• A simple Main method you can run standalone
• Expected output shown at the top in comments

How to run a single file quickly (one-off):

csc 00_HelloWorld.cs && mono 00_HelloWorld.exe

Or turn any file into a dotnet console project as shown in the repo root README.

Topics:

• 00 — Hello World + Program Structure
• 01 — Variables
• 02 — Data Types
• 03 — User Input
• 04 — Operators & Math
• 05 — Strings
• 06 — Booleans
• 07 — if..else
• 08 — switch
• 09 — while loop
• 10 — for loop
• 11 — break & continue
• 12 — arrays

Tip: Open side-by-side with the corresponding theory pages in this module for deeper context.